Historical on-time performance
Atlanta to Greenville
153 miData through May 2026Source: US DOT · BTS
Flights on ATL–GSP arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 2,806 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time81%Medianon timep9035 minCancel1.7%Flights2,806
Why flights run late
Delay causes
- Airline54%
- Weather7%
- Air traffic (NAS)15%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline52%
- Weather48%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 48 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ATL → GSP
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 5 min · 1,309 flights
- Middays88% on time · p90 15 min · 2,478 flights
- Afternoons81% on time · p90 30 min · 1,408 flights
- Evenings79% on time · p90 40 min · 1,533 flights
- Overnights76% on time · p90 40 min · 2,162 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 87% on time.
- Wednesdays87% on time · p90 20 min · 1,235 flights
- Tuesdays85% on time · p90 25 min · 1,234 flights
- Thursdays84% on time · p90 25 min · 1,332 flights
- Mondays82% on time · p90 30 min · 1,339 flights
- Fridays82% on time · p90 25 min · 1,335 flights
- Saturdays82% on time · p90 30 min · 1,086 flights
- Sundays77% on time · p90 35 min · 1,329 flights
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